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(11)

EP 3 273 915 A1

(12)

(43) Date of publication: 31.01.2018 Bulletin 2018/05 (21) Application number: 16713030.1 (22) Date of filing: 23.03.2016

(51) International Patent Classification (IPC):  A61F 2/40(2006.01) A61F 2/30(2006.01) A61B 17/17(2006.01) (86) International application number: PCT/GB2016/050807 (87) International publication number: WO 2016/151320 (29.09.2016 Gazette 2016/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 26.03.2015 GB 201505212 (71) Applicant: Imperial Innovations Limited London SW7 2PG (GB)	(72) Inventors: AMIS, Andrew London SW7 2AZ (GB) GERALDES, Diogo London SW7 2AZ (GB) ALIDOUSTI, Hamidreza London SW7 2AZ (GB) (74) Representative: Gill Jennings & Every LLP  The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)